PS
Powershell Tutorial Online

Cmdlets Get-help


The first PowerShell cmdlet every administrator should learn is Get-Help. You can use this command to get help with any other command. Let see how the Get-Process command works, you can type:
Get-Help -Name Get-Process and Windows will display the full command syntax.
You can also use Get-Help with individual nouns and verbs. For example, to find out all the commands you can use with the Get verb, type:


        Get-Help -Name Get-*
    
NAME
    Get-Help
    
SYNTAX
    Get-Help [[-Name] ] [-Path ] [-Category  {Alias | Cmdlet | Provider | General | FAQ | Glossary 
    | HelpFile | ScriptCommand | Function | Filter | ExternalScript | All | DefaultHelp | Workflow}] [-Component ] 
    [-Functionality ] [-Role ] [-Full]  []
    
    Get-Help [[-Name] ] -Detailed [-Path ] [-Category  {Alias | Cmdlet | Provider | General | FAQ 
    | Glossary | HelpFile | ScriptCommand | Function | Filter | ExternalScript | All | DefaultHelp | Workflow}] [-Component 
    ] [-Functionality ] [-Role ]  []
    
    Get-Help [[-Name] ] -Examples [-Path ] [-Category  {Alias | Cmdlet | Provider | General | FAQ 
    | Glossary | HelpFile | ScriptCommand | Function | Filter | ExternalScript | All | DefaultHelp | Workflow}] [-Component 
    ] [-Functionality ] [-Role ]  []
    
    Get-Help [[-Name] ] -Parameter  [-Path ] [-Category  {Alias | Cmdlet | Provider | 
    General | FAQ | Glossary | HelpFile | ScriptCommand | Function | Filter | ExternalScript | All | DefaultHelp | 
    Workflow}] [-Component ] [-Functionality ] [-Role ]  []
    
    Get-Help [[-Name] ] -Online [-Path ] [-Category  {Alias | Cmdlet | Provider | General | FAQ | 
    Glossary | HelpFile | ScriptCommand | Function | Filter | ExternalScript | All | DefaultHelp | Workflow}] [-Component 
    ] [-Functionality ] [-Role ]  []
    
    Get-Help [[-Name] ] -ShowWindow [-Path ] [-Category  {Alias | Cmdlet | Provider | General | 
    FAQ | Glossary | HelpFile | ScriptCommand | Function | Filter | ExternalScript | All | DefaultHelp | Workflow}] 
    [-Component ] [-Functionality ] [-Role ]  []
    
ALIASES
    None
    
REMARKS
    Get-Help cannot find the Help files for this cmdlet on this computer. It is displaying only partial help.
        -- To download and install Help files for the module that includes this cmdlet, use Update-Help.
        -- To view the Help topic for this cmdlet online, type: "Get-Help Get-Help -Online" or 
           go to http://go.microsoft.com/fwlink/?LinkID=113316.